Help!!!!!!!!!!! If one factor of x2 + 2x – 24 is (x+6), what is the other factor?
2 answers:
Answer:
the other factor is (X-4)
Step-by-step explanation:
this is a perfect square trinomial so the two factors should interact the next way:
x2 + 2 x – 24
(X+6) * (X-4) the two numbers added give you the middle . . number (2 )
and multiplied give you the final number (24 ) so:
1) + 6- 4 = 2
and
2) + 6 * - 4 = -24
X^2 + 2x -24 So I know one factor is gonna be 6. I have to find a number that multiply with 6 is equal -24. But when 6 add that number the answer must equal 2. So as you can see 6 multiply -4 is -24. 6+ (-4) is 2z The answer is D. (X-4) Hope this helps!
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